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The Brembo Big Brake Kit for 2004–2008 Audi S4 and 2006–2008 A4 rear assemblies pairs a four-piston cast caliper with two-piece 345×28 mm slotted Type 1 rotors in black. This rear upgrade provides larger ventilated discs and multi-piston braking to enhance pedal modulation and thermal control. Two-piece rotors simplify maintenance and rotor replacement for the listed Audi models.
Brembo 04-08 S4/06-08 A4 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type1-Black
